212050-49-2Relevant academic research and scientific papers
General method for synthesis of erythrinan and homoerythrinan alkaloids (1): Synthesis of a cycloerythrinan, as a key intermediate to Erythrina alkaloids, by Pummerer-type reaction
Toda, Jun,Niimura, Yoshihiro,Takeda, Kaoru,Sano, Takehiro,Tsuda, Yoshisuke
, p. 906 - 912 (1998)
A new synthetic route to Erythrina alkaloids by formation of ring C utilizing a Pummerer-type intramolecular cyclization was developed. The N- (2-phenylthioethyl)-dioxopyrroline (3) was converted to 13 in five steps with satisfactory overall yield (69%) b
